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Ion beam system for irradiating tumour tissues

An irradiation device and ion beam technology, applied in X-ray/γ-ray/particle irradiation therapy, radiotherapy, treatment, etc., to achieve the effect of small weight, improve mechanical stability, and avoid organ movement

Inactive Publication Date: 2007-04-18
GESELLSCHAFT FUR SCHWERIONENFORSCHUNG GMBH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Furthermore, the application of the planned ion beam scanning method remains an open question in terms of the required mechanical precision

Method used

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  • Ion beam system for irradiating tumour tissues
  • Ion beam system for irradiating tumour tissues
  • Ion beam system for irradiating tumour tissues

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Embodiment Construction

[0065] 1 shows a schematic diagram of an ion beam irradiation device 4 for irradiating tumor tissue of a patient 25 lying on a patient couch 1 according to an embodiment of the invention. The ion beam irradiation device has different ion sources 26 , 27 which select ionized ions of different gases in a mass spectrometer and first accelerate the selected ions in a linear acceleration chamber 28 . The ions are then accelerated to a higher acceleration in a synchrotron 29 and then exit the synchrotron 29 as an ion beam 16 after reaching a corresponding absorption energy. The ion beam 16 is deflectably irradiated into irradiation chambers 22, 23, 24 and 30 arranged in a circular arc. In the irradiation rooms 22 , 23 , 24 , the patient couch 1 arranged relatively horizontally irradiates the tumor tissue with ion beams at different angles to treat the tumor tissue of the patient. To this end, ion sources 26 and 27 provide ions, such as carbon ions, which are particularly effective ...

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Abstract

The invention relates to an ion beam system for irradiating tumour tissues at different irradiation angles in relation to a horizontally arranged stretcher for patients. The invention also relates to a method for carrying out ion irradiation. The stretcher for patients is provided with a rotational device around a vertical axis and the ion beam system is provided with at least one of the following irradiation systems: a first irradiation system having an asymmetrical, locally stationary scanning system which is provided with a central ion beam deviation area for deviation angles of up to + / - 15 DEG in relation to the horizontal direction and an additional lifting device for the stretcher for patients and enables a tumour volume in the central ion deviation area to be scanned; a second irradiation system which is provided with an ion beam deviation device for a deviation angle that is greater in relation to the first irradiation system and a symmetrical scanning unit that is arranged downstream in relation to the ion beam deviation device, can be pivoted synchronically in relation to the deviation angle of the ion beam deviation device and serves for scanning the tumour volume.

Description

technical field [0001] The present invention relates to an ion beam irradiation device for irradiating tumor tissue and a method for operating the device. Background technique [0002] Known from US 4,870,287 is a proton beam irradiation device in which a central proton source selectively generates a proton beam and transmits it to a plurality of patient treatment stations through an acceleration device, wherein each treatment station has a rotatable roller support, Hereafter it is called Gantry. In this known device, a proton beam is delivered to the patient at different irradiation angles, which is fixedly aimed at a patient couch. The combination of gantry systems is known as "Pedroni", ie "Beam Delivery" from Hadron Therapy in Oncology, pp. 434-452, edited by U.A. Maldi and B. Larsson, Elsevier, 1994. [0003] As long as such an ion beam irradiation device for irradiating tumor tissue works with ions of the lightest elements in the periodic table, namely hydrogen ions ...

Claims

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Application Information

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IPC IPC(8): A61N5/10H01J37/147H01J37/301
CPCA61N5/1079A61N5/10A61N2005/1087A61N5/1078A61N5/1081A61N5/1043
Inventor 格哈德·克拉夫特
Owner GESELLSCHAFT FUR SCHWERIONENFORSCHUNG GMBH
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